• 4 MERIT Library

• 4 3-D Objects, Models, Sculpture
• 1 Unspecified

• 2 Form perception
• 2 Pattern perception
• 2 Study and teaching (Preschool)
• 1 Activity programs
• 1 Audio-visual aids
• 1 Baths
• 1 Ducks
• 1 Early childhood education
• 1 Hygiene
• 1 Mass (Physics)
• 1 Metric system
• 1 Study and teaching (Early childhood)
• 1 Weights and measures

• 2 Lauri (Firm)
• 1 Boynton, Sandra
• 1 Dragon Drew (Firm)
• 1 Learning Resources (Firm)
• 1 Scholastic Inc.
• 1 Toysmith (Firm)
• 1 Workman Publishing Company
• 1 kyapoo (Firm)

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